13528513650 has 48 divisors (see below), whose sum is σ = 33558325344. Its totient is φ = 3606785280.

The previous prime is 13528513639. The next prime is 13528513723. The reversal of 13528513650 is 5631582531.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13528513599 and 13528513608.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 957034 + ... + 971066.

It is an arithmetic number, because the mean of its divisors is an integer number (699131778).

Almost surely, 2^13528513650 is an apocalyptic number.

13528513650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13528513650 is an abundant number, since it is smaller than the sum of its proper divisors (20029811694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13528513650 is a wasteful number, since it uses less digits than its factorization.

13528513650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20475 (or 20470 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 13528513650 in words is "thirteen billion, five hundred twenty-eight million, five hundred thirteen thousand, six hundred fifty".